3 years ago

Classify the expression: -2x^2+11

Mathematics

1 answer:

Virty [35]3 years ago

4 0

Answer:

$-2x^2+11$

Step-by-step explanation:

$-2x^2+11$

Since there aren't any like terms, the answer would be:

$-2x^2+11$

Hope this helps!

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Angles U and V are supplementary angles. The ratio of their measures is 7:13 Find the measure of each angle

GREYUIT [131]

If $u$ and $v$ are <span>supplementary angles, then

$u+v=180^{\circ}~~~~~\mathbf{(i)}$

The ratio of $u$ and $v$ is $\dfrac{7}{13}:$ <span>

$\dfrac{u}{v}=\dfrac{7}{13}\\\\\\ u=\dfrac{7v}{13}~~~~\mathbf{(ii)}$

Substitute $\mathbf{(ii)}$ into $\mathbf{(i)}:$

$\dfrac{7v}{13}+v=180^{\circ}\\\\\\ \left(\dfrac{7}{13}+1 \right )\cdot v=180^{\circ}\\\\\\ \left(\dfrac{7}{13}+\dfrac{13}{13} \right )\cdot v=180^{\circ}\\\\\\ \dfrac{20}{13}\cdot v=180^{\circ}\\\\\\ v=180^{\circ}\cdot \dfrac{13}{20}\\\\\\ \boxed{\begin{array}{c} v=117^{\circ} \end{array}}$

From $\mathbf{(i)},$ we find the measure of $u:$

$u=180^{\circ}-v\\\\ u=180^{\circ}-117^{\circ}\\\\ \boxed{\begin{array}{c} u=63^{\circ} \end{array}}$

</span></span>

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3 years ago

Which of these tables does NOT represent a function?

horrorfan [7]

Answer:

please mark me brainliest if it helps you

B does NOT represent a function.

4 0

2 years ago

You have 0.54 meters of string to use for a homework project. You need to cut it into pieces that are 0.08 meters each. How many

Triss [41]

you can get 6 whole pieces because .54 divided by .08 equals 6.75, but you have to have whole pieces, so 6. hope you get a good grade!

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2 years ago

Will give brainliest.

Lady bird [3.3K]

Answer:

x=8

Step-by-step explanation:

Those angles are supplementary so:

140+5x=180

5x=40

x=8

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3 years ago

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What is the sum of the geometric sequence -4, 24, -144, ... if there are 6 terms?

kondor19780726 [428]

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1556963

Step-by-step explanation:

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3 years ago